PROTECTIVE DEVICE OF NATURAL CIRCULATION BOILER,申请号JP19770053157-传众专利搜索

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发明名称	PROTECTIVE DEVICE OF NATURAL CIRCULATION BOILER
摘要
申请公布号	JPS53139001(A)	申请公布日期	1978.12.05
申请号	JP19770053157	申请日期	1977.05.11
申请人	HITACHI LTD	发明人	NAKAMURA HIDEO;HANAOKA HIROSHI
分类号	F22D5/30;F22B35/02	主分类号	F22D5/30
代理机构		代理人
主权项
地址

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